Operations Management 11 Process Selection

OPERA OPERATIONS TIONS MANAGE MANAGEMENT MENT Lecture 11

Process Selection rocess Process

Selection: Process selection refers to deciding on the way production of goods or services will be organized. Process

selection occurs as a matter of course when new production or services are being planned. However, it also occurs periodically due to technological changes in products or services in products or equipment, as well as competitiv competitive e pressure pressures. s.

Process Selection Three primary questions bear on process selection: 1.

How much variet variety y in produ products cts or or services services will will the system system need to handle?

2.

What degree of equipment equipment flexibility flexibility will be needed?

3.

What What is the expect expected ed volume volume of output? output?

Process

Types: There are five basic process types:

1.

Job Shop

2.

Batch

3. Repe epetiti titiv ve 4. Con Continu tinuou ouss 5.

Project

Process

Types

1. Job Job Shop Shop:: Operates Operates on relativel relatively y small scale scale Used when a low volume is needed High variety of goods/services High flexibility using general purpose equipment equ ipment Skilled worker wor kerss Examples: Dress Dress designing, Medical services by doctors etc.

Process

Types

2. Batch: ch: Used when moderate volume of goods or services is desired rocessing ng Processi

at regular regular interval intervalss

Equipment Equipment need not to be flexible flexible The skill level of workers need not be too high Exam Exampl ples es:: Bak Bakerie eries, s, movi movie e thea theate terrs, pain paints ts,, ice ice crea creams ms magazi magazine ness etc. etc.

Process

Types

3. Repeti epetiti tive ve:: Higher volumes volumes of more more standardiz standardized ed goods or services services The standardized processing means only slight flexibility of equipment needed Skill of workers workers is generally generally low Examples: Automatic Automatic car wash, assembly lines etc.

Process

Types

4. Cont Contin inuo uous us:: When a very high volume of nondiscrete goods are required Highly Highly standa standard rdiz ized ed output output is desire desired d No need for equipment flexibility Workers skill requirements can range from low to high Examples: Petroleum products, steel, sugar flour etc.

roduct Product

and Service Ser vice Processes

Variety Job Shop Batch

Emergency Rooms

Commercial bakery Automatic Car Wash

Repetitive

Petroleum

Continuous Low

Refinery

Volume

High